I have to know how use it
Jak uwolnić się z krzesła? Which means how to free yourself from a chair. Uwolnić się: to free yourself.
Uwolnić orkę which is the name of the film "Free Willy" in Polish, literally meaning free the whale. Uwolnić means to free.
pl.wikipedia.org/wiki/Uwolni%C4%87_ork%C4%99
Searching the internet nearly always gives usage of a word.